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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     * <a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     * <a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.lang;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.math.BigDecimal;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.math.BigInteger;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    /**<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;p&gt;Provides extra functionality for Java Number classes.&lt;/p&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     *<a name="line.24"></a>
<FONT color="green">025</FONT>     * @author Apache Software Foundation<a name="line.25"></a>
<FONT color="green">026</FONT>     * @author &lt;a href="mailto:rand_mcneely@yahoo.com"&gt;Rand McNeely&lt;/a&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     * @author &lt;a href="mailto:steve.downey@netfolio.com"&gt;Steve Downey&lt;/a&gt;<a name="line.27"></a>
<FONT color="green">028</FONT>     * @author Eric Pugh<a name="line.28"></a>
<FONT color="green">029</FONT>     * @author Phil Steitz<a name="line.29"></a>
<FONT color="green">030</FONT>     * @since 1.0<a name="line.30"></a>
<FONT color="green">031</FONT>     * @version $Id: NumberUtils.java 905636 2010-02-02 14:03:32Z niallp $<a name="line.31"></a>
<FONT color="green">032</FONT>     * <a name="line.32"></a>
<FONT color="green">033</FONT>     * @deprecated Moved to org.apache.commons.lang.math.<a name="line.33"></a>
<FONT color="green">034</FONT>     *             Class will be removed in Commons Lang 3.0.<a name="line.34"></a>
<FONT color="green">035</FONT>     */<a name="line.35"></a>
<FONT color="green">036</FONT>    public final class NumberUtils {<a name="line.36"></a>
<FONT color="green">037</FONT>        // DEPRECATED CLASS !!!<a name="line.37"></a>
<FONT color="green">038</FONT>        <a name="line.38"></a>
<FONT color="green">039</FONT>        /**<a name="line.39"></a>
<FONT color="green">040</FONT>         * &lt;p&gt;&lt;code&gt;NumberUtils&lt;/code&gt; instances should NOT be constructed in standard programming.<a name="line.40"></a>
<FONT color="green">041</FONT>         * Instead, the class should be used as &lt;code&gt;NumberUtils.stringToInt("6");&lt;/code&gt;.&lt;/p&gt;<a name="line.41"></a>
<FONT color="green">042</FONT>         *<a name="line.42"></a>
<FONT color="green">043</FONT>         * &lt;p&gt;This constructor is public to permit tools that require a JavaBean instance<a name="line.43"></a>
<FONT color="green">044</FONT>         * to operate.&lt;/p&gt;<a name="line.44"></a>
<FONT color="green">045</FONT>         */<a name="line.45"></a>
<FONT color="green">046</FONT>        public NumberUtils() {<a name="line.46"></a>
<FONT color="green">047</FONT>          super();<a name="line.47"></a>
<FONT color="green">048</FONT>        }<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>        //--------------------------------------------------------------------<a name="line.50"></a>
<FONT color="green">051</FONT>        <a name="line.51"></a>
<FONT color="green">052</FONT>        /**<a name="line.52"></a>
<FONT color="green">053</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to an &lt;code&gt;int&lt;/code&gt;, returning<a name="line.53"></a>
<FONT color="green">054</FONT>         * &lt;code&gt;zero&lt;/code&gt; if the conversion fails.&lt;/p&gt;<a name="line.54"></a>
<FONT color="green">055</FONT>         * <a name="line.55"></a>
<FONT color="green">056</FONT>         * @param str  the string to convert<a name="line.56"></a>
<FONT color="green">057</FONT>         * @return the int represented by the string, or &lt;code&gt;zero&lt;/code&gt; if<a name="line.57"></a>
<FONT color="green">058</FONT>         *  conversion fails<a name="line.58"></a>
<FONT color="green">059</FONT>         */<a name="line.59"></a>
<FONT color="green">060</FONT>        public static int stringToInt(String str) {<a name="line.60"></a>
<FONT color="green">061</FONT>            return stringToInt(str, 0);<a name="line.61"></a>
<FONT color="green">062</FONT>        }<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>        /**<a name="line.64"></a>
<FONT color="green">065</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to an &lt;code&gt;int&lt;/code&gt;, returning a<a name="line.65"></a>
<FONT color="green">066</FONT>         * default value if the conversion fails.&lt;/p&gt;<a name="line.66"></a>
<FONT color="green">067</FONT>         * <a name="line.67"></a>
<FONT color="green">068</FONT>         * @param str  the string to convert<a name="line.68"></a>
<FONT color="green">069</FONT>         * @param defaultValue  the default value<a name="line.69"></a>
<FONT color="green">070</FONT>         * @return the int represented by the string, or the default if conversion fails<a name="line.70"></a>
<FONT color="green">071</FONT>         */<a name="line.71"></a>
<FONT color="green">072</FONT>        public static int stringToInt(String str, int defaultValue) {<a name="line.72"></a>
<FONT color="green">073</FONT>            try {<a name="line.73"></a>
<FONT color="green">074</FONT>                return Integer.parseInt(str);<a name="line.74"></a>
<FONT color="green">075</FONT>            } catch (NumberFormatException nfe) {<a name="line.75"></a>
<FONT color="green">076</FONT>                return defaultValue;<a name="line.76"></a>
<FONT color="green">077</FONT>            }<a name="line.77"></a>
<FONT color="green">078</FONT>        }<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>        //--------------------------------------------------------------------<a name="line.80"></a>
<FONT color="green">081</FONT>        <a name="line.81"></a>
<FONT color="green">082</FONT>        // must handle Long, Float, Integer, Float, Short,<a name="line.82"></a>
<FONT color="green">083</FONT>        //                  BigDecimal, BigInteger and Byte<a name="line.83"></a>
<FONT color="green">084</FONT>        // useful methods:<a name="line.84"></a>
<FONT color="green">085</FONT>        // Byte.decode(String)<a name="line.85"></a>
<FONT color="green">086</FONT>        // Byte.valueOf(String,int radix)<a name="line.86"></a>
<FONT color="green">087</FONT>        // Byte.valueOf(String)<a name="line.87"></a>
<FONT color="green">088</FONT>        // Double.valueOf(String)<a name="line.88"></a>
<FONT color="green">089</FONT>        // Float.valueOf(String)<a name="line.89"></a>
<FONT color="green">090</FONT>        // new Float(String)<a name="line.90"></a>
<FONT color="green">091</FONT>        // Integer.valueOf(String,int radix)<a name="line.91"></a>
<FONT color="green">092</FONT>        // Integer.valueOf(String)<a name="line.92"></a>
<FONT color="green">093</FONT>        // Integer.decode(String)<a name="line.93"></a>
<FONT color="green">094</FONT>        // Integer.getInteger(String)<a name="line.94"></a>
<FONT color="green">095</FONT>        // Integer.getInteger(String,int val)<a name="line.95"></a>
<FONT color="green">096</FONT>        // Integer.getInteger(String,Integer val)<a name="line.96"></a>
<FONT color="green">097</FONT>        // new Integer(String)<a name="line.97"></a>
<FONT color="green">098</FONT>        // new Double(String)<a name="line.98"></a>
<FONT color="green">099</FONT>        // new Byte(String)<a name="line.99"></a>
<FONT color="green">100</FONT>        // new Long(String)<a name="line.100"></a>
<FONT color="green">101</FONT>        // Long.getLong(String)<a name="line.101"></a>
<FONT color="green">102</FONT>        // Long.getLong(String,int)<a name="line.102"></a>
<FONT color="green">103</FONT>        // Long.getLong(String,Integer)<a name="line.103"></a>
<FONT color="green">104</FONT>        // Long.valueOf(String,int)<a name="line.104"></a>
<FONT color="green">105</FONT>        // Long.valueOf(String)<a name="line.105"></a>
<FONT color="green">106</FONT>        // new Short(String)<a name="line.106"></a>
<FONT color="green">107</FONT>        // Short.decode(String)<a name="line.107"></a>
<FONT color="green">108</FONT>        // Short.valueOf(String,int)<a name="line.108"></a>
<FONT color="green">109</FONT>        // Short.valueOf(String)<a name="line.109"></a>
<FONT color="green">110</FONT>        // new BigDecimal(String)<a name="line.110"></a>
<FONT color="green">111</FONT>        // new BigInteger(String)<a name="line.111"></a>
<FONT color="green">112</FONT>        // new BigInteger(String,int radix)<a name="line.112"></a>
<FONT color="green">113</FONT>        // Possible inputs:<a name="line.113"></a>
<FONT color="green">114</FONT>        // 45 45.5 45E7 4.5E7 Hex Oct Binary xxxF xxxD xxxf xxxd<a name="line.114"></a>
<FONT color="green">115</FONT>        // plus minus everything. Prolly more. A lot are not separable.<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>        /**<a name="line.117"></a>
<FONT color="green">118</FONT>         * &lt;p&gt;Turns a string value into a java.lang.Number.&lt;/p&gt;<a name="line.118"></a>
<FONT color="green">119</FONT>         *<a name="line.119"></a>
<FONT color="green">120</FONT>         * &lt;p&gt;First, the value is examined for a type qualifier on the end<a name="line.120"></a>
<FONT color="green">121</FONT>         * (&lt;code&gt;'f','F','d','D','l','L'&lt;/code&gt;).  If it is found, it starts <a name="line.121"></a>
<FONT color="green">122</FONT>         * trying to create successively larger types from the type specified<a name="line.122"></a>
<FONT color="green">123</FONT>         * until one is found that can hold the value.&lt;/p&gt;<a name="line.123"></a>
<FONT color="green">124</FONT>         *<a name="line.124"></a>
<FONT color="green">125</FONT>         * &lt;p&gt;If a type specifier is not found, it will check for a decimal point<a name="line.125"></a>
<FONT color="green">126</FONT>         * and then try successively larger types from &lt;code&gt;Integer&lt;/code&gt; to<a name="line.126"></a>
<FONT color="green">127</FONT>         * &lt;code&gt;BigInteger&lt;/code&gt; and from &lt;code&gt;Float&lt;/code&gt; to<a name="line.127"></a>
<FONT color="green">128</FONT>         * &lt;code&gt;BigDecimal&lt;/code&gt;.&lt;/p&gt;<a name="line.128"></a>
<FONT color="green">129</FONT>         *<a name="line.129"></a>
<FONT color="green">130</FONT>         * &lt;p&gt;If the string starts with &lt;code&gt;0x&lt;/code&gt; or &lt;code&gt;-0x&lt;/code&gt;, it<a name="line.130"></a>
<FONT color="green">131</FONT>         * will be interpreted as a hexadecimal integer.  Values with leading<a name="line.131"></a>
<FONT color="green">132</FONT>         * &lt;code&gt;0&lt;/code&gt;'s will not be interpreted as octal.&lt;/p&gt;<a name="line.132"></a>
<FONT color="green">133</FONT>         *<a name="line.133"></a>
<FONT color="green">134</FONT>         * @param val String containing a number<a name="line.134"></a>
<FONT color="green">135</FONT>         * @return Number created from the string<a name="line.135"></a>
<FONT color="green">136</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.136"></a>
<FONT color="green">137</FONT>         */<a name="line.137"></a>
<FONT color="green">138</FONT>        public static Number createNumber(String val) throws NumberFormatException {<a name="line.138"></a>
<FONT color="green">139</FONT>            if (val == null) {<a name="line.139"></a>
<FONT color="green">140</FONT>                return null;<a name="line.140"></a>
<FONT color="green">141</FONT>            }<a name="line.141"></a>
<FONT color="green">142</FONT>            if (val.length() == 0) {<a name="line.142"></a>
<FONT color="green">143</FONT>                throw new NumberFormatException("\"\" is not a valid number.");<a name="line.143"></a>
<FONT color="green">144</FONT>            }<a name="line.144"></a>
<FONT color="green">145</FONT>            if (val.length() == 1 &amp;&amp; !Character.isDigit(val.charAt(0))) {<a name="line.145"></a>
<FONT color="green">146</FONT>                throw new NumberFormatException(val + " is not a valid number.");<a name="line.146"></a>
<FONT color="green">147</FONT>            }<a name="line.147"></a>
<FONT color="green">148</FONT>            if (val.startsWith("--")) {<a name="line.148"></a>
<FONT color="green">149</FONT>                // this is protection for poorness in java.lang.BigDecimal.<a name="line.149"></a>
<FONT color="green">150</FONT>                // it accepts this as a legal value, but it does not appear <a name="line.150"></a>
<FONT color="green">151</FONT>                // to be in specification of class. OS X Java parses it to <a name="line.151"></a>
<FONT color="green">152</FONT>                // a wrong value.<a name="line.152"></a>
<FONT color="green">153</FONT>                return null;<a name="line.153"></a>
<FONT color="green">154</FONT>            }<a name="line.154"></a>
<FONT color="green">155</FONT>            if (val.startsWith("0x") || val.startsWith("-0x")) {<a name="line.155"></a>
<FONT color="green">156</FONT>                return createInteger(val);<a name="line.156"></a>
<FONT color="green">157</FONT>            }   <a name="line.157"></a>
<FONT color="green">158</FONT>            char lastChar = val.charAt(val.length() - 1);<a name="line.158"></a>
<FONT color="green">159</FONT>            String mant;<a name="line.159"></a>
<FONT color="green">160</FONT>            String dec;<a name="line.160"></a>
<FONT color="green">161</FONT>            String exp;<a name="line.161"></a>
<FONT color="green">162</FONT>            int decPos = val.indexOf('.');<a name="line.162"></a>
<FONT color="green">163</FONT>            int expPos = val.indexOf('e') + val.indexOf('E') + 1;<a name="line.163"></a>
<FONT color="green">164</FONT>    <a name="line.164"></a>
<FONT color="green">165</FONT>            if (decPos &gt; -1) {<a name="line.165"></a>
<FONT color="green">166</FONT>    <a name="line.166"></a>
<FONT color="green">167</FONT>                if (expPos &gt; -1) {<a name="line.167"></a>
<FONT color="green">168</FONT>                    if (expPos &lt; decPos) {<a name="line.168"></a>
<FONT color="green">169</FONT>                        throw new NumberFormatException(val + " is not a valid number.");<a name="line.169"></a>
<FONT color="green">170</FONT>                    }<a name="line.170"></a>
<FONT color="green">171</FONT>                    dec = val.substring(decPos + 1, expPos);<a name="line.171"></a>
<FONT color="green">172</FONT>                } else {<a name="line.172"></a>
<FONT color="green">173</FONT>                    dec = val.substring(decPos + 1);<a name="line.173"></a>
<FONT color="green">174</FONT>                }<a name="line.174"></a>
<FONT color="green">175</FONT>                mant = val.substring(0, decPos);<a name="line.175"></a>
<FONT color="green">176</FONT>            } else {<a name="line.176"></a>
<FONT color="green">177</FONT>                if (expPos &gt; -1) {<a name="line.177"></a>
<FONT color="green">178</FONT>                    mant = val.substring(0, expPos);<a name="line.178"></a>
<FONT color="green">179</FONT>                } else {<a name="line.179"></a>
<FONT color="green">180</FONT>                    mant = val;<a name="line.180"></a>
<FONT color="green">181</FONT>                }<a name="line.181"></a>
<FONT color="green">182</FONT>                dec = null;<a name="line.182"></a>
<FONT color="green">183</FONT>            }<a name="line.183"></a>
<FONT color="green">184</FONT>            if (!Character.isDigit(lastChar)) {<a name="line.184"></a>
<FONT color="green">185</FONT>                if (expPos &gt; -1 &amp;&amp; expPos &lt; val.length() - 1) {<a name="line.185"></a>
<FONT color="green">186</FONT>                    exp = val.substring(expPos + 1, val.length() - 1);<a name="line.186"></a>
<FONT color="green">187</FONT>                } else {<a name="line.187"></a>
<FONT color="green">188</FONT>                    exp = null;<a name="line.188"></a>
<FONT color="green">189</FONT>                }<a name="line.189"></a>
<FONT color="green">190</FONT>                //Requesting a specific type..<a name="line.190"></a>
<FONT color="green">191</FONT>                String numeric = val.substring(0, val.length() - 1);<a name="line.191"></a>
<FONT color="green">192</FONT>                boolean allZeros = isAllZeros(mant) &amp;&amp; isAllZeros(exp);<a name="line.192"></a>
<FONT color="green">193</FONT>                switch (lastChar) {<a name="line.193"></a>
<FONT color="green">194</FONT>                    case 'l' :<a name="line.194"></a>
<FONT color="green">195</FONT>                    case 'L' :<a name="line.195"></a>
<FONT color="green">196</FONT>                        if (dec == null<a name="line.196"></a>
<FONT color="green">197</FONT>                            &amp;&amp; exp == null<a name="line.197"></a>
<FONT color="green">198</FONT>                            &amp;&amp; (numeric.charAt(0) == '-' &amp;&amp; isDigits(numeric.substring(1)) || isDigits(numeric))) {<a name="line.198"></a>
<FONT color="green">199</FONT>                            try {<a name="line.199"></a>
<FONT color="green">200</FONT>                                return createLong(numeric);<a name="line.200"></a>
<FONT color="green">201</FONT>                            } catch (NumberFormatException nfe) {<a name="line.201"></a>
<FONT color="green">202</FONT>                                //Too big for a long<a name="line.202"></a>
<FONT color="green">203</FONT>                            }<a name="line.203"></a>
<FONT color="green">204</FONT>                            return createBigInteger(numeric);<a name="line.204"></a>
<FONT color="green">205</FONT>    <a name="line.205"></a>
<FONT color="green">206</FONT>                        }<a name="line.206"></a>
<FONT color="green">207</FONT>                        throw new NumberFormatException(val + " is not a valid number.");<a name="line.207"></a>
<FONT color="green">208</FONT>                    case 'f' :<a name="line.208"></a>
<FONT color="green">209</FONT>                    case 'F' :<a name="line.209"></a>
<FONT color="green">210</FONT>                        try {<a name="line.210"></a>
<FONT color="green">211</FONT>                            Float f = NumberUtils.createFloat(numeric);<a name="line.211"></a>
<FONT color="green">212</FONT>                            if (!(f.isInfinite() || (f.floatValue() == 0.0F &amp;&amp; !allZeros))) {<a name="line.212"></a>
<FONT color="green">213</FONT>                                //If it's too big for a float or the float value = 0 and the string<a name="line.213"></a>
<FONT color="green">214</FONT>                                //has non-zeros in it, then float does not have the precision we want<a name="line.214"></a>
<FONT color="green">215</FONT>                                return f;<a name="line.215"></a>
<FONT color="green">216</FONT>                            }<a name="line.216"></a>
<FONT color="green">217</FONT>    <a name="line.217"></a>
<FONT color="green">218</FONT>                        } catch (NumberFormatException e) {<a name="line.218"></a>
<FONT color="green">219</FONT>                            // ignore the bad number<a name="line.219"></a>
<FONT color="green">220</FONT>                        }<a name="line.220"></a>
<FONT color="green">221</FONT>                        //$FALL-THROUGH$<a name="line.221"></a>
<FONT color="green">222</FONT>                    case 'd' :<a name="line.222"></a>
<FONT color="green">223</FONT>                    case 'D' :<a name="line.223"></a>
<FONT color="green">224</FONT>                        try {<a name="line.224"></a>
<FONT color="green">225</FONT>                            Double d = NumberUtils.createDouble(numeric);<a name="line.225"></a>
<FONT color="green">226</FONT>                            if (!(d.isInfinite() || (d.floatValue() == 0.0D &amp;&amp; !allZeros))) {<a name="line.226"></a>
<FONT color="green">227</FONT>                                return d;<a name="line.227"></a>
<FONT color="green">228</FONT>                            }<a name="line.228"></a>
<FONT color="green">229</FONT>                        } catch (NumberFormatException nfe) {<a name="line.229"></a>
<FONT color="green">230</FONT>                            // empty catch<a name="line.230"></a>
<FONT color="green">231</FONT>                        }<a name="line.231"></a>
<FONT color="green">232</FONT>                        try {<a name="line.232"></a>
<FONT color="green">233</FONT>                            return createBigDecimal(numeric);<a name="line.233"></a>
<FONT color="green">234</FONT>                        } catch (NumberFormatException e) {<a name="line.234"></a>
<FONT color="green">235</FONT>                            // empty catch<a name="line.235"></a>
<FONT color="green">236</FONT>                        }<a name="line.236"></a>
<FONT color="green">237</FONT>                        //$FALL-THROUGH$<a name="line.237"></a>
<FONT color="green">238</FONT>                    default :<a name="line.238"></a>
<FONT color="green">239</FONT>                        throw new NumberFormatException(val + " is not a valid number.");<a name="line.239"></a>
<FONT color="green">240</FONT>    <a name="line.240"></a>
<FONT color="green">241</FONT>                }<a name="line.241"></a>
<FONT color="green">242</FONT>            } else {<a name="line.242"></a>
<FONT color="green">243</FONT>                //User doesn't have a preference on the return type, so let's start<a name="line.243"></a>
<FONT color="green">244</FONT>                //small and go from there...<a name="line.244"></a>
<FONT color="green">245</FONT>                if (expPos &gt; -1 &amp;&amp; expPos &lt; val.length() - 1) {<a name="line.245"></a>
<FONT color="green">246</FONT>                    exp = val.substring(expPos + 1, val.length());<a name="line.246"></a>
<FONT color="green">247</FONT>                } else {<a name="line.247"></a>
<FONT color="green">248</FONT>                    exp = null;<a name="line.248"></a>
<FONT color="green">249</FONT>                }<a name="line.249"></a>
<FONT color="green">250</FONT>                if (dec == null &amp;&amp; exp == null) {<a name="line.250"></a>
<FONT color="green">251</FONT>                    //Must be an int,long,bigint<a name="line.251"></a>
<FONT color="green">252</FONT>                    try {<a name="line.252"></a>
<FONT color="green">253</FONT>                        return createInteger(val);<a name="line.253"></a>
<FONT color="green">254</FONT>                    } catch (NumberFormatException nfe) {<a name="line.254"></a>
<FONT color="green">255</FONT>                        // empty catch<a name="line.255"></a>
<FONT color="green">256</FONT>                    }<a name="line.256"></a>
<FONT color="green">257</FONT>                    try {<a name="line.257"></a>
<FONT color="green">258</FONT>                        return createLong(val);<a name="line.258"></a>
<FONT color="green">259</FONT>                    } catch (NumberFormatException nfe) {<a name="line.259"></a>
<FONT color="green">260</FONT>                        // empty catch<a name="line.260"></a>
<FONT color="green">261</FONT>                    }<a name="line.261"></a>
<FONT color="green">262</FONT>                    return createBigInteger(val);<a name="line.262"></a>
<FONT color="green">263</FONT>    <a name="line.263"></a>
<FONT color="green">264</FONT>                } else {<a name="line.264"></a>
<FONT color="green">265</FONT>                    //Must be a float,double,BigDec<a name="line.265"></a>
<FONT color="green">266</FONT>                    boolean allZeros = isAllZeros(mant) &amp;&amp; isAllZeros(exp);<a name="line.266"></a>
<FONT color="green">267</FONT>                    try {<a name="line.267"></a>
<FONT color="green">268</FONT>                        Float f = createFloat(val);<a name="line.268"></a>
<FONT color="green">269</FONT>                        if (!(f.isInfinite() || (f.floatValue() == 0.0F &amp;&amp; !allZeros))) {<a name="line.269"></a>
<FONT color="green">270</FONT>                            return f;<a name="line.270"></a>
<FONT color="green">271</FONT>                        }<a name="line.271"></a>
<FONT color="green">272</FONT>                    } catch (NumberFormatException nfe) {<a name="line.272"></a>
<FONT color="green">273</FONT>                        // empty catch<a name="line.273"></a>
<FONT color="green">274</FONT>                    }<a name="line.274"></a>
<FONT color="green">275</FONT>                    try {<a name="line.275"></a>
<FONT color="green">276</FONT>                        Double d = createDouble(val);<a name="line.276"></a>
<FONT color="green">277</FONT>                        if (!(d.isInfinite() || (d.doubleValue() == 0.0D &amp;&amp; !allZeros))) {<a name="line.277"></a>
<FONT color="green">278</FONT>                            return d;<a name="line.278"></a>
<FONT color="green">279</FONT>                        }<a name="line.279"></a>
<FONT color="green">280</FONT>                    } catch (NumberFormatException nfe) {<a name="line.280"></a>
<FONT color="green">281</FONT>                        // empty catch<a name="line.281"></a>
<FONT color="green">282</FONT>                    }<a name="line.282"></a>
<FONT color="green">283</FONT>    <a name="line.283"></a>
<FONT color="green">284</FONT>                    return createBigDecimal(val);<a name="line.284"></a>
<FONT color="green">285</FONT>    <a name="line.285"></a>
<FONT color="green">286</FONT>                }<a name="line.286"></a>
<FONT color="green">287</FONT>    <a name="line.287"></a>
<FONT color="green">288</FONT>            }<a name="line.288"></a>
<FONT color="green">289</FONT>        }<a name="line.289"></a>
<FONT color="green">290</FONT>    <a name="line.290"></a>
<FONT color="green">291</FONT>        /**<a name="line.291"></a>
<FONT color="green">292</FONT>         * &lt;p&gt;Utility method for {@link #createNumber(java.lang.String)}.&lt;/p&gt;<a name="line.292"></a>
<FONT color="green">293</FONT>         *<a name="line.293"></a>
<FONT color="green">294</FONT>         * &lt;p&gt;Returns &lt;code&gt;true&lt;/code&gt; if s is &lt;code&gt;null&lt;/code&gt;.&lt;/p&gt;<a name="line.294"></a>
<FONT color="green">295</FONT>         * <a name="line.295"></a>
<FONT color="green">296</FONT>         * @param s the String to check<a name="line.296"></a>
<FONT color="green">297</FONT>         * @return if it is all zeros or &lt;code&gt;null&lt;/code&gt;<a name="line.297"></a>
<FONT color="green">298</FONT>         */<a name="line.298"></a>
<FONT color="green">299</FONT>        private static boolean isAllZeros(String s) {<a name="line.299"></a>
<FONT color="green">300</FONT>            if (s == null) {<a name="line.300"></a>
<FONT color="green">301</FONT>                return true;<a name="line.301"></a>
<FONT color="green">302</FONT>            }<a name="line.302"></a>
<FONT color="green">303</FONT>            for (int i = s.length() - 1; i &gt;= 0; i--) {<a name="line.303"></a>
<FONT color="green">304</FONT>                if (s.charAt(i) != '0') {<a name="line.304"></a>
<FONT color="green">305</FONT>                    return false;<a name="line.305"></a>
<FONT color="green">306</FONT>                }<a name="line.306"></a>
<FONT color="green">307</FONT>            }<a name="line.307"></a>
<FONT color="green">308</FONT>            return s.length() &gt; 0;<a name="line.308"></a>
<FONT color="green">309</FONT>        }<a name="line.309"></a>
<FONT color="green">310</FONT>    <a name="line.310"></a>
<FONT color="green">311</FONT>        //--------------------------------------------------------------------<a name="line.311"></a>
<FONT color="green">312</FONT>        <a name="line.312"></a>
<FONT color="green">313</FONT>        /**<a name="line.313"></a>
<FONT color="green">314</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;Float&lt;/code&gt;.&lt;/p&gt;<a name="line.314"></a>
<FONT color="green">315</FONT>         * <a name="line.315"></a>
<FONT color="green">316</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.316"></a>
<FONT color="green">317</FONT>         * @return converted &lt;code&gt;Float&lt;/code&gt;<a name="line.317"></a>
<FONT color="green">318</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.318"></a>
<FONT color="green">319</FONT>         */<a name="line.319"></a>
<FONT color="green">320</FONT>        public static Float createFloat(String val) {<a name="line.320"></a>
<FONT color="green">321</FONT>            return Float.valueOf(val);<a name="line.321"></a>
<FONT color="green">322</FONT>        }<a name="line.322"></a>
<FONT color="green">323</FONT>    <a name="line.323"></a>
<FONT color="green">324</FONT>        /**<a name="line.324"></a>
<FONT color="green">325</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;Double&lt;/code&gt;.&lt;/p&gt;<a name="line.325"></a>
<FONT color="green">326</FONT>         * <a name="line.326"></a>
<FONT color="green">327</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.327"></a>
<FONT color="green">328</FONT>         * @return converted &lt;code&gt;Double&lt;/code&gt;<a name="line.328"></a>
<FONT color="green">329</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.329"></a>
<FONT color="green">330</FONT>         */<a name="line.330"></a>
<FONT color="green">331</FONT>        public static Double createDouble(String val) {<a name="line.331"></a>
<FONT color="green">332</FONT>            return Double.valueOf(val);<a name="line.332"></a>
<FONT color="green">333</FONT>        }<a name="line.333"></a>
<FONT color="green">334</FONT>    <a name="line.334"></a>
<FONT color="green">335</FONT>        /**<a name="line.335"></a>
<FONT color="green">336</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;Integer&lt;/code&gt;, handling<a name="line.336"></a>
<FONT color="green">337</FONT>         * hex and octal notations.&lt;/p&gt;<a name="line.337"></a>
<FONT color="green">338</FONT>         * <a name="line.338"></a>
<FONT color="green">339</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.339"></a>
<FONT color="green">340</FONT>         * @return converted &lt;code&gt;Integer&lt;/code&gt;<a name="line.340"></a>
<FONT color="green">341</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.341"></a>
<FONT color="green">342</FONT>         */<a name="line.342"></a>
<FONT color="green">343</FONT>        public static Integer createInteger(String val) {<a name="line.343"></a>
<FONT color="green">344</FONT>            // decode() handles 0xAABD and 0777 (hex and octal) as well.<a name="line.344"></a>
<FONT color="green">345</FONT>            return Integer.decode(val);<a name="line.345"></a>
<FONT color="green">346</FONT>        }<a name="line.346"></a>
<FONT color="green">347</FONT>    <a name="line.347"></a>
<FONT color="green">348</FONT>        /**<a name="line.348"></a>
<FONT color="green">349</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;Long&lt;/code&gt;.&lt;/p&gt;<a name="line.349"></a>
<FONT color="green">350</FONT>         * <a name="line.350"></a>
<FONT color="green">351</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.351"></a>
<FONT color="green">352</FONT>         * @return converted &lt;code&gt;Long&lt;/code&gt;<a name="line.352"></a>
<FONT color="green">353</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.353"></a>
<FONT color="green">354</FONT>         */<a name="line.354"></a>
<FONT color="green">355</FONT>        public static Long createLong(String val) {<a name="line.355"></a>
<FONT color="green">356</FONT>            return Long.valueOf(val);<a name="line.356"></a>
<FONT color="green">357</FONT>        }<a name="line.357"></a>
<FONT color="green">358</FONT>    <a name="line.358"></a>
<FONT color="green">359</FONT>        /**<a name="line.359"></a>
<FONT color="green">360</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;BigInteger&lt;/code&gt;.&lt;/p&gt;<a name="line.360"></a>
<FONT color="green">361</FONT>         * <a name="line.361"></a>
<FONT color="green">362</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.362"></a>
<FONT color="green">363</FONT>         * @return converted &lt;code&gt;BigInteger&lt;/code&gt;<a name="line.363"></a>
<FONT color="green">364</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.364"></a>
<FONT color="green">365</FONT>         */<a name="line.365"></a>
<FONT color="green">366</FONT>        public static BigInteger createBigInteger(String val) {<a name="line.366"></a>
<FONT color="green">367</FONT>            BigInteger bi = new BigInteger(val);<a name="line.367"></a>
<FONT color="green">368</FONT>            return bi;<a name="line.368"></a>
<FONT color="green">369</FONT>        }<a name="line.369"></a>
<FONT color="green">370</FONT>    <a name="line.370"></a>
<FONT color="green">371</FONT>        /**<a name="line.371"></a>
<FONT color="green">372</FONT>         * &lt;p&gt;Convert a &lt;code&gt;String&lt;/code&gt; to a &lt;code&gt;BigDecimal&lt;/code&gt;.&lt;/p&gt;<a name="line.372"></a>
<FONT color="green">373</FONT>         * <a name="line.373"></a>
<FONT color="green">374</FONT>         * @param val  a &lt;code&gt;String&lt;/code&gt; to convert<a name="line.374"></a>
<FONT color="green">375</FONT>         * @return converted &lt;code&gt;BigDecimal&lt;/code&gt;<a name="line.375"></a>
<FONT color="green">376</FONT>         * @throws NumberFormatException if the value cannot be converted<a name="line.376"></a>
<FONT color="green">377</FONT>         */<a name="line.377"></a>
<FONT color="green">378</FONT>        public static BigDecimal createBigDecimal(String val) {<a name="line.378"></a>
<FONT color="green">379</FONT>            BigDecimal bd = new BigDecimal(val);<a name="line.379"></a>
<FONT color="green">380</FONT>            return bd;<a name="line.380"></a>
<FONT color="green">381</FONT>        }<a name="line.381"></a>
<FONT color="green">382</FONT>    <a name="line.382"></a>
<FONT color="green">383</FONT>        //--------------------------------------------------------------------<a name="line.383"></a>
<FONT color="green">384</FONT>        <a name="line.384"></a>
<FONT color="green">385</FONT>        /**<a name="line.385"></a>
<FONT color="green">386</FONT>         * &lt;p&gt;Gets the minimum of three &lt;code&gt;long&lt;/code&gt; values.&lt;/p&gt;<a name="line.386"></a>
<FONT color="green">387</FONT>         * <a name="line.387"></a>
<FONT color="green">388</FONT>         * @param a  value 1<a name="line.388"></a>
<FONT color="green">389</FONT>         * @param b  value 2<a name="line.389"></a>
<FONT color="green">390</FONT>         * @param c  value 3<a name="line.390"></a>
<FONT color="green">391</FONT>         * @return  the smallest of the values<a name="line.391"></a>
<FONT color="green">392</FONT>         */<a name="line.392"></a>
<FONT color="green">393</FONT>        public static long minimum(long a, long b, long c) {<a name="line.393"></a>
<FONT color="green">394</FONT>            if (b &lt; a) {<a name="line.394"></a>
<FONT color="green">395</FONT>                a = b;<a name="line.395"></a>
<FONT color="green">396</FONT>            }<a name="line.396"></a>
<FONT color="green">397</FONT>            if (c &lt; a) {<a name="line.397"></a>
<FONT color="green">398</FONT>                a = c;<a name="line.398"></a>
<FONT color="green">399</FONT>            }<a name="line.399"></a>
<FONT color="green">400</FONT>            return a;<a name="line.400"></a>
<FONT color="green">401</FONT>        }<a name="line.401"></a>
<FONT color="green">402</FONT>    <a name="line.402"></a>
<FONT color="green">403</FONT>        /**<a name="line.403"></a>
<FONT color="green">404</FONT>         * &lt;p&gt;Gets the minimum of three &lt;code&gt;int&lt;/code&gt; values.&lt;/p&gt;<a name="line.404"></a>
<FONT color="green">405</FONT>         * <a name="line.405"></a>
<FONT color="green">406</FONT>         * @param a  value 1<a name="line.406"></a>
<FONT color="green">407</FONT>         * @param b  value 2<a name="line.407"></a>
<FONT color="green">408</FONT>         * @param c  value 3<a name="line.408"></a>
<FONT color="green">409</FONT>         * @return  the smallest of the values<a name="line.409"></a>
<FONT color="green">410</FONT>         */<a name="line.410"></a>
<FONT color="green">411</FONT>        public static int minimum(int a, int b, int c) {<a name="line.411"></a>
<FONT color="green">412</FONT>            if (b &lt; a) {<a name="line.412"></a>
<FONT color="green">413</FONT>                a = b;<a name="line.413"></a>
<FONT color="green">414</FONT>            }<a name="line.414"></a>
<FONT color="green">415</FONT>            if (c &lt; a) {<a name="line.415"></a>
<FONT color="green">416</FONT>                a = c;<a name="line.416"></a>
<FONT color="green">417</FONT>            }<a name="line.417"></a>
<FONT color="green">418</FONT>            return a;<a name="line.418"></a>
<FONT color="green">419</FONT>        }<a name="line.419"></a>
<FONT color="green">420</FONT>    <a name="line.420"></a>
<FONT color="green">421</FONT>        /**<a name="line.421"></a>
<FONT color="green">422</FONT>         * &lt;p&gt;Gets the maximum of three &lt;code&gt;long&lt;/code&gt; values.&lt;/p&gt;<a name="line.422"></a>
<FONT color="green">423</FONT>         * <a name="line.423"></a>
<FONT color="green">424</FONT>         * @param a  value 1<a name="line.424"></a>
<FONT color="green">425</FONT>         * @param b  value 2<a name="line.425"></a>
<FONT color="green">426</FONT>         * @param c  value 3<a name="line.426"></a>
<FONT color="green">427</FONT>         * @return  the largest of the values<a name="line.427"></a>
<FONT color="green">428</FONT>         */<a name="line.428"></a>
<FONT color="green">429</FONT>        public static long maximum(long a, long b, long c) {<a name="line.429"></a>
<FONT color="green">430</FONT>            if (b &gt; a) {<a name="line.430"></a>
<FONT color="green">431</FONT>                a = b;<a name="line.431"></a>
<FONT color="green">432</FONT>            }<a name="line.432"></a>
<FONT color="green">433</FONT>            if (c &gt; a) {<a name="line.433"></a>
<FONT color="green">434</FONT>                a = c;<a name="line.434"></a>
<FONT color="green">435</FONT>            }<a name="line.435"></a>
<FONT color="green">436</FONT>            return a;<a name="line.436"></a>
<FONT color="green">437</FONT>        }<a name="line.437"></a>
<FONT color="green">438</FONT>    <a name="line.438"></a>
<FONT color="green">439</FONT>        /**<a name="line.439"></a>
<FONT color="green">440</FONT>         * &lt;p&gt;Gets the maximum of three &lt;code&gt;int&lt;/code&gt; values.&lt;/p&gt;<a name="line.440"></a>
<FONT color="green">441</FONT>         * <a name="line.441"></a>
<FONT color="green">442</FONT>         * @param a  value 1<a name="line.442"></a>
<FONT color="green">443</FONT>         * @param b  value 2<a name="line.443"></a>
<FONT color="green">444</FONT>         * @param c  value 3<a name="line.444"></a>
<FONT color="green">445</FONT>         * @return  the largest of the values<a name="line.445"></a>
<FONT color="green">446</FONT>         */<a name="line.446"></a>
<FONT color="green">447</FONT>        public static int maximum(int a, int b, int c) {<a name="line.447"></a>
<FONT color="green">448</FONT>            if (b &gt; a) {<a name="line.448"></a>
<FONT color="green">449</FONT>                a = b;<a name="line.449"></a>
<FONT color="green">450</FONT>            }<a name="line.450"></a>
<FONT color="green">451</FONT>            if (c &gt; a) {<a name="line.451"></a>
<FONT color="green">452</FONT>                a = c;<a name="line.452"></a>
<FONT color="green">453</FONT>            }<a name="line.453"></a>
<FONT color="green">454</FONT>            return a;<a name="line.454"></a>
<FONT color="green">455</FONT>        }<a name="line.455"></a>
<FONT color="green">456</FONT>    <a name="line.456"></a>
<FONT color="green">457</FONT>        //--------------------------------------------------------------------<a name="line.457"></a>
<FONT color="green">458</FONT>        <a name="line.458"></a>
<FONT color="green">459</FONT>        /**<a name="line.459"></a>
<FONT color="green">460</FONT>         * &lt;p&gt;Compares two &lt;code&gt;doubles&lt;/code&gt; for order.&lt;/p&gt;<a name="line.460"></a>
<FONT color="green">461</FONT>         *<a name="line.461"></a>
<FONT color="green">462</FONT>         * &lt;p&gt;This method is more comprehensive than the standard Java greater<a name="line.462"></a>
<FONT color="green">463</FONT>         * than, less than and equals operators.&lt;/p&gt;<a name="line.463"></a>
<FONT color="green">464</FONT>         * &lt;ul&gt;<a name="line.464"></a>
<FONT color="green">465</FONT>         *  &lt;li&gt;It returns &lt;code&gt;-1&lt;/code&gt; if the first value is less than the second.<a name="line.465"></a>
<FONT color="green">466</FONT>         *  &lt;li&gt;It returns &lt;code&gt;+1&lt;/code&gt; if the first value is greater than the second.<a name="line.466"></a>
<FONT color="green">467</FONT>         *  &lt;li&gt;It returns &lt;code&gt;0&lt;/code&gt; if the values are equal.<a name="line.467"></a>
<FONT color="green">468</FONT>         * &lt;/ul&gt;<a name="line.468"></a>
<FONT color="green">469</FONT>         *<a name="line.469"></a>
<FONT color="green">470</FONT>         * &lt;p&gt;<a name="line.470"></a>
<FONT color="green">471</FONT>         * The ordering is as follows, largest to smallest:<a name="line.471"></a>
<FONT color="green">472</FONT>         * &lt;ul&gt;<a name="line.472"></a>
<FONT color="green">473</FONT>         *  &lt;li&gt;NaN<a name="line.473"></a>
<FONT color="green">474</FONT>         *  &lt;li&gt;Positive infinity<a name="line.474"></a>
<FONT color="green">475</FONT>         *  &lt;li&gt;Maximum double<a name="line.475"></a>
<FONT color="green">476</FONT>         *  &lt;li&gt;Normal positive numbers<a name="line.476"></a>
<FONT color="green">477</FONT>         *  &lt;li&gt;+0.0<a name="line.477"></a>
<FONT color="green">478</FONT>         *  &lt;li&gt;-0.0<a name="line.478"></a>
<FONT color="green">479</FONT>         *  &lt;li&gt;Normal negative numbers<a name="line.479"></a>
<FONT color="green">480</FONT>         *  &lt;li&gt;Minimum double (-Double.MAX_VALUE)<a name="line.480"></a>
<FONT color="green">481</FONT>         *  &lt;li&gt;Negative infinity<a name="line.481"></a>
<FONT color="green">482</FONT>         * &lt;/ul&gt;<a name="line.482"></a>
<FONT color="green">483</FONT>         * &lt;/p&gt;<a name="line.483"></a>
<FONT color="green">484</FONT>         *<a name="line.484"></a>
<FONT color="green">485</FONT>         * &lt;p&gt;Comparing &lt;code&gt;NaN&lt;/code&gt; with &lt;code&gt;NaN&lt;/code&gt; will<a name="line.485"></a>
<FONT color="green">486</FONT>         * return &lt;code&gt;0&lt;/code&gt;.&lt;/p&gt;<a name="line.486"></a>
<FONT color="green">487</FONT>         * <a name="line.487"></a>
<FONT color="green">488</FONT>         * @param lhs  the first &lt;code&gt;double&lt;/code&gt;<a name="line.488"></a>
<FONT color="green">489</FONT>         * @param rhs  the second &lt;code&gt;double&lt;/code&gt;<a name="line.489"></a>
<FONT color="green">490</FONT>         * @return &lt;code&gt;-1&lt;/code&gt; if lhs is less, &lt;code&gt;+1&lt;/code&gt; if greater,<a name="line.490"></a>
<FONT color="green">491</FONT>         *  &lt;code&gt;0&lt;/code&gt; if equal to rhs<a name="line.491"></a>
<FONT color="green">492</FONT>         */<a name="line.492"></a>
<FONT color="green">493</FONT>        public static int compare(double lhs, double rhs) {<a name="line.493"></a>
<FONT color="green">494</FONT>            if (lhs &lt; rhs) {<a name="line.494"></a>
<FONT color="green">495</FONT>                return -1;<a name="line.495"></a>
<FONT color="green">496</FONT>            }<a name="line.496"></a>
<FONT color="green">497</FONT>            if (lhs &gt; rhs) {<a name="line.497"></a>
<FONT color="green">498</FONT>                return +1;<a name="line.498"></a>
<FONT color="green">499</FONT>            }<a name="line.499"></a>
<FONT color="green">500</FONT>            // Need to compare bits to handle 0.0 == -0.0 being true<a name="line.500"></a>
<FONT color="green">501</FONT>            // compare should put -0.0 &lt; +0.0<a name="line.501"></a>
<FONT color="green">502</FONT>            // Two NaNs are also == for compare purposes<a name="line.502"></a>
<FONT color="green">503</FONT>            // where NaN == NaN is false<a name="line.503"></a>
<FONT color="green">504</FONT>            long lhsBits = Double.doubleToLongBits(lhs);<a name="line.504"></a>
<FONT color="green">505</FONT>            long rhsBits = Double.doubleToLongBits(rhs);<a name="line.505"></a>
<FONT color="green">506</FONT>            if (lhsBits == rhsBits) {<a name="line.506"></a>
<FONT color="green">507</FONT>                return 0;<a name="line.507"></a>
<FONT color="green">508</FONT>            }<a name="line.508"></a>
<FONT color="green">509</FONT>            // Something exotic! A comparison to NaN or 0.0 vs -0.0<a name="line.509"></a>
<FONT color="green">510</FONT>            // Fortunately NaN's long is &gt; than everything else<a name="line.510"></a>
<FONT color="green">511</FONT>            // Also negzeros bits &lt; poszero<a name="line.511"></a>
<FONT color="green">512</FONT>            // NAN: 9221120237041090560<a name="line.512"></a>
<FONT color="green">513</FONT>            // MAX: 9218868437227405311<a name="line.513"></a>
<FONT color="green">514</FONT>            // NEGZERO: -9223372036854775808<a name="line.514"></a>
<FONT color="green">515</FONT>            if (lhsBits &lt; rhsBits) {<a name="line.515"></a>
<FONT color="green">516</FONT>                return -1;<a name="line.516"></a>
<FONT color="green">517</FONT>            } else {<a name="line.517"></a>
<FONT color="green">518</FONT>                return +1;<a name="line.518"></a>
<FONT color="green">519</FONT>            }<a name="line.519"></a>
<FONT color="green">520</FONT>        }<a name="line.520"></a>
<FONT color="green">521</FONT>        <a name="line.521"></a>
<FONT color="green">522</FONT>        /**<a name="line.522"></a>
<FONT color="green">523</FONT>         * &lt;p&gt;Compares two floats for order.&lt;/p&gt;<a name="line.523"></a>
<FONT color="green">524</FONT>         *<a name="line.524"></a>
<FONT color="green">525</FONT>         * &lt;p&gt;This method is more comprehensive than the standard Java greater than,<a name="line.525"></a>
<FONT color="green">526</FONT>         * less than and equals operators.&lt;/p&gt;<a name="line.526"></a>
<FONT color="green">527</FONT>         * &lt;ul&gt;<a name="line.527"></a>
<FONT color="green">528</FONT>         *  &lt;li&gt;It returns &lt;code&gt;-1&lt;/code&gt; if the first value is less than the second.<a name="line.528"></a>
<FONT color="green">529</FONT>         *  &lt;li&gt;It returns &lt;code&gt;+1&lt;/code&gt; if the first value is greater than the second.<a name="line.529"></a>
<FONT color="green">530</FONT>         *  &lt;li&gt;It returns &lt;code&gt;0&lt;/code&gt; if the values are equal.<a name="line.530"></a>
<FONT color="green">531</FONT>         * &lt;/ul&gt;<a name="line.531"></a>
<FONT color="green">532</FONT>         *<a name="line.532"></a>
<FONT color="green">533</FONT>         * &lt;p&gt; The ordering is as follows, largest to smallest:<a name="line.533"></a>
<FONT color="green">534</FONT>         * &lt;ul&gt;<a name="line.534"></a>
<FONT color="green">535</FONT>         * &lt;li&gt;NaN<a name="line.535"></a>
<FONT color="green">536</FONT>         * &lt;li&gt;Positive infinity<a name="line.536"></a>
<FONT color="green">537</FONT>         * &lt;li&gt;Maximum float<a name="line.537"></a>
<FONT color="green">538</FONT>         * &lt;li&gt;Normal positive numbers<a name="line.538"></a>
<FONT color="green">539</FONT>         * &lt;li&gt;+0.0<a name="line.539"></a>
<FONT color="green">540</FONT>         * &lt;li&gt;-0.0<a name="line.540"></a>
<FONT color="green">541</FONT>         * &lt;li&gt;Normal negative numbers<a name="line.541"></a>
<FONT color="green">542</FONT>         * &lt;li&gt;Minimum float (-Float.MAX_VALUE)<a name="line.542"></a>
<FONT color="green">543</FONT>         * &lt;li&gt;Negative infinity<a name="line.543"></a>
<FONT color="green">544</FONT>         * &lt;/ul&gt;<a name="line.544"></a>
<FONT color="green">545</FONT>         *<a name="line.545"></a>
<FONT color="green">546</FONT>         * &lt;p&gt;Comparing &lt;code&gt;NaN&lt;/code&gt; with &lt;code&gt;NaN&lt;/code&gt; will return<a name="line.546"></a>
<FONT color="green">547</FONT>         * &lt;code&gt;0&lt;/code&gt;.&lt;/p&gt;<a name="line.547"></a>
<FONT color="green">548</FONT>         * <a name="line.548"></a>
<FONT color="green">549</FONT>         * @param lhs  the first &lt;code&gt;float&lt;/code&gt;<a name="line.549"></a>
<FONT color="green">550</FONT>         * @param rhs  the second &lt;code&gt;float&lt;/code&gt;<a name="line.550"></a>
<FONT color="green">551</FONT>         * @return &lt;code&gt;-1&lt;/code&gt; if lhs is less, &lt;code&gt;+1&lt;/code&gt; if greater,<a name="line.551"></a>
<FONT color="green">552</FONT>         *  &lt;code&gt;0&lt;/code&gt; if equal to rhs<a name="line.552"></a>
<FONT color="green">553</FONT>         */<a name="line.553"></a>
<FONT color="green">554</FONT>        public static int compare(float lhs, float rhs) {<a name="line.554"></a>
<FONT color="green">555</FONT>            if (lhs &lt; rhs) {<a name="line.555"></a>
<FONT color="green">556</FONT>                return -1;<a name="line.556"></a>
<FONT color="green">557</FONT>            }<a name="line.557"></a>
<FONT color="green">558</FONT>            if (lhs &gt; rhs) {<a name="line.558"></a>
<FONT color="green">559</FONT>                return +1;<a name="line.559"></a>
<FONT color="green">560</FONT>            }<a name="line.560"></a>
<FONT color="green">561</FONT>            //Need to compare bits to handle 0.0 == -0.0 being true<a name="line.561"></a>
<FONT color="green">562</FONT>            // compare should put -0.0 &lt; +0.0<a name="line.562"></a>
<FONT color="green">563</FONT>            // Two NaNs are also == for compare purposes<a name="line.563"></a>
<FONT color="green">564</FONT>            // where NaN == NaN is false<a name="line.564"></a>
<FONT color="green">565</FONT>            int lhsBits = Float.floatToIntBits(lhs);<a name="line.565"></a>
<FONT color="green">566</FONT>            int rhsBits = Float.floatToIntBits(rhs);<a name="line.566"></a>
<FONT color="green">567</FONT>            if (lhsBits == rhsBits) {<a name="line.567"></a>
<FONT color="green">568</FONT>                return 0;<a name="line.568"></a>
<FONT color="green">569</FONT>            }<a name="line.569"></a>
<FONT color="green">570</FONT>            //Something exotic! A comparison to NaN or 0.0 vs -0.0<a name="line.570"></a>
<FONT color="green">571</FONT>            //Fortunately NaN's int is &gt; than everything else<a name="line.571"></a>
<FONT color="green">572</FONT>            //Also negzeros bits &lt; poszero<a name="line.572"></a>
<FONT color="green">573</FONT>            //NAN: 2143289344<a name="line.573"></a>
<FONT color="green">574</FONT>            //MAX: 2139095039<a name="line.574"></a>
<FONT color="green">575</FONT>            //NEGZERO: -2147483648<a name="line.575"></a>
<FONT color="green">576</FONT>            if (lhsBits &lt; rhsBits) {<a name="line.576"></a>
<FONT color="green">577</FONT>                return -1;<a name="line.577"></a>
<FONT color="green">578</FONT>            } else {<a name="line.578"></a>
<FONT color="green">579</FONT>                return +1;<a name="line.579"></a>
<FONT color="green">580</FONT>            }<a name="line.580"></a>
<FONT color="green">581</FONT>        }<a name="line.581"></a>
<FONT color="green">582</FONT>        <a name="line.582"></a>
<FONT color="green">583</FONT>        //--------------------------------------------------------------------<a name="line.583"></a>
<FONT color="green">584</FONT>        <a name="line.584"></a>
<FONT color="green">585</FONT>        /**<a name="line.585"></a>
<FONT color="green">586</FONT>         * &lt;p&gt;Checks whether the &lt;code&gt;String&lt;/code&gt; contains only<a name="line.586"></a>
<FONT color="green">587</FONT>         * digit characters.&lt;/p&gt;<a name="line.587"></a>
<FONT color="green">588</FONT>         *<a name="line.588"></a>
<FONT color="green">589</FONT>         * &lt;p&gt;&lt;code&gt;Null&lt;/code&gt; and empty String will return<a name="line.589"></a>
<FONT color="green">590</FONT>         * &lt;code&gt;false&lt;/code&gt;.&lt;/p&gt;<a name="line.590"></a>
<FONT color="green">591</FONT>         *<a name="line.591"></a>
<FONT color="green">592</FONT>         * @param str  the &lt;code&gt;String&lt;/code&gt; to check<a name="line.592"></a>
<FONT color="green">593</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if str contains only unicode numeric<a name="line.593"></a>
<FONT color="green">594</FONT>         */<a name="line.594"></a>
<FONT color="green">595</FONT>        public static boolean isDigits(String str) {<a name="line.595"></a>
<FONT color="green">596</FONT>            if ((str == null) || (str.length() == 0)) {<a name="line.596"></a>
<FONT color="green">597</FONT>                return false;<a name="line.597"></a>
<FONT color="green">598</FONT>            }<a name="line.598"></a>
<FONT color="green">599</FONT>            for (int i = 0; i &lt; str.length(); i++) {<a name="line.599"></a>
<FONT color="green">600</FONT>                if (!Character.isDigit(str.charAt(i))) {<a name="line.600"></a>
<FONT color="green">601</FONT>                    return false;<a name="line.601"></a>
<FONT color="green">602</FONT>                }<a name="line.602"></a>
<FONT color="green">603</FONT>            }<a name="line.603"></a>
<FONT color="green">604</FONT>            return true;<a name="line.604"></a>
<FONT color="green">605</FONT>        }<a name="line.605"></a>
<FONT color="green">606</FONT>    <a name="line.606"></a>
<FONT color="green">607</FONT>        /**<a name="line.607"></a>
<FONT color="green">608</FONT>         * &lt;p&gt;Checks whether the String a valid Java number.&lt;/p&gt;<a name="line.608"></a>
<FONT color="green">609</FONT>         *<a name="line.609"></a>
<FONT color="green">610</FONT>         * &lt;p&gt;Valid numbers include hexadecimal marked with the &lt;code&gt;0x&lt;/code&gt;<a name="line.610"></a>
<FONT color="green">611</FONT>         * qualifier, scientific notation and numbers marked with a type<a name="line.611"></a>
<FONT color="green">612</FONT>         * qualifier (e.g. 123L).&lt;/p&gt;<a name="line.612"></a>
<FONT color="green">613</FONT>         *<a name="line.613"></a>
<FONT color="green">614</FONT>         * &lt;p&gt;&lt;code&gt;Null&lt;/code&gt; and empty String will return<a name="line.614"></a>
<FONT color="green">615</FONT>         * &lt;code&gt;false&lt;/code&gt;.&lt;/p&gt;<a name="line.615"></a>
<FONT color="green">616</FONT>         *<a name="line.616"></a>
<FONT color="green">617</FONT>         * @param str  the &lt;code&gt;String&lt;/code&gt; to check<a name="line.617"></a>
<FONT color="green">618</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if the string is a correctly formatted number<a name="line.618"></a>
<FONT color="green">619</FONT>         */<a name="line.619"></a>
<FONT color="green">620</FONT>        public static boolean isNumber(String str) {<a name="line.620"></a>
<FONT color="green">621</FONT>            if (StringUtils.isEmpty(str)) {<a name="line.621"></a>
<FONT color="green">622</FONT>                return false;<a name="line.622"></a>
<FONT color="green">623</FONT>            }<a name="line.623"></a>
<FONT color="green">624</FONT>            char[] chars = str.toCharArray();<a name="line.624"></a>
<FONT color="green">625</FONT>            int sz = chars.length;<a name="line.625"></a>
<FONT color="green">626</FONT>            boolean hasExp = false;<a name="line.626"></a>
<FONT color="green">627</FONT>            boolean hasDecPoint = false;<a name="line.627"></a>
<FONT color="green">628</FONT>            boolean allowSigns = false;<a name="line.628"></a>
<FONT color="green">629</FONT>            boolean foundDigit = false;<a name="line.629"></a>
<FONT color="green">630</FONT>            // deal with any possible sign up front<a name="line.630"></a>
<FONT color="green">631</FONT>            int start = (chars[0] == '-') ? 1 : 0;<a name="line.631"></a>
<FONT color="green">632</FONT>            if (sz &gt; start + 1) {<a name="line.632"></a>
<FONT color="green">633</FONT>                if (chars[start] == '0' &amp;&amp; chars[start + 1] == 'x') {<a name="line.633"></a>
<FONT color="green">634</FONT>                    int i = start + 2;<a name="line.634"></a>
<FONT color="green">635</FONT>                    if (i == sz) {<a name="line.635"></a>
<FONT color="green">636</FONT>                        return false; // str == "0x"<a name="line.636"></a>
<FONT color="green">637</FONT>                    }<a name="line.637"></a>
<FONT color="green">638</FONT>                    // checking hex (it can't be anything else)<a name="line.638"></a>
<FONT color="green">639</FONT>                    for (; i &lt; chars.length; i++) {<a name="line.639"></a>
<FONT color="green">640</FONT>                        if ((chars[i] &lt; '0' || chars[i] &gt; '9')<a name="line.640"></a>
<FONT color="green">641</FONT>                            &amp;&amp; (chars[i] &lt; 'a' || chars[i] &gt; 'f')<a name="line.641"></a>
<FONT color="green">642</FONT>                            &amp;&amp; (chars[i] &lt; 'A' || chars[i] &gt; 'F')) {<a name="line.642"></a>
<FONT color="green">643</FONT>                            return false;<a name="line.643"></a>
<FONT color="green">644</FONT>                        }<a name="line.644"></a>
<FONT color="green">645</FONT>                    }<a name="line.645"></a>
<FONT color="green">646</FONT>                    return true;<a name="line.646"></a>
<FONT color="green">647</FONT>                }<a name="line.647"></a>
<FONT color="green">648</FONT>            }<a name="line.648"></a>
<FONT color="green">649</FONT>            sz--; // don't want to loop to the last char, check it afterwords<a name="line.649"></a>
<FONT color="green">650</FONT>                  // for type qualifiers<a name="line.650"></a>
<FONT color="green">651</FONT>            int i = start;<a name="line.651"></a>
<FONT color="green">652</FONT>            // loop to the next to last char or to the last char if we need another digit to<a name="line.652"></a>
<FONT color="green">653</FONT>            // make a valid number (e.g. chars[0..5] = "1234E")<a name="line.653"></a>
<FONT color="green">654</FONT>            while (i &lt; sz || (i &lt; sz + 1 &amp;&amp; allowSigns &amp;&amp; !foundDigit)) {<a name="line.654"></a>
<FONT color="green">655</FONT>                if (chars[i] &gt;= '0' &amp;&amp; chars[i] &lt;= '9') {<a name="line.655"></a>
<FONT color="green">656</FONT>                    foundDigit = true;<a name="line.656"></a>
<FONT color="green">657</FONT>                    allowSigns = false;<a name="line.657"></a>
<FONT color="green">658</FONT>    <a name="line.658"></a>
<FONT color="green">659</FONT>                } else if (chars[i] == '.') {<a name="line.659"></a>
<FONT color="green">660</FONT>                    if (hasDecPoint || hasExp) {<a name="line.660"></a>
<FONT color="green">661</FONT>                        // two decimal points or dec in exponent   <a name="line.661"></a>
<FONT color="green">662</FONT>                        return false;<a name="line.662"></a>
<FONT color="green">663</FONT>                    }<a name="line.663"></a>
<FONT color="green">664</FONT>                    hasDecPoint = true;<a name="line.664"></a>
<FONT color="green">665</FONT>                } else if (chars[i] == 'e' || chars[i] == 'E') {<a name="line.665"></a>
<FONT color="green">666</FONT>                    // we've already taken care of hex.<a name="line.666"></a>
<FONT color="green">667</FONT>                    if (hasExp) {<a name="line.667"></a>
<FONT color="green">668</FONT>                        // two E's<a name="line.668"></a>
<FONT color="green">669</FONT>                        return false;<a name="line.669"></a>
<FONT color="green">670</FONT>                    }<a name="line.670"></a>
<FONT color="green">671</FONT>                    if (!foundDigit) {<a name="line.671"></a>
<FONT color="green">672</FONT>                        return false;<a name="line.672"></a>
<FONT color="green">673</FONT>                    }<a name="line.673"></a>
<FONT color="green">674</FONT>                    hasExp = true;<a name="line.674"></a>
<FONT color="green">675</FONT>                    allowSigns = true;<a name="line.675"></a>
<FONT color="green">676</FONT>                } else if (chars[i] == '+' || chars[i] == '-') {<a name="line.676"></a>
<FONT color="green">677</FONT>                    if (!allowSigns) {<a name="line.677"></a>
<FONT color="green">678</FONT>                        return false;<a name="line.678"></a>
<FONT color="green">679</FONT>                    }<a name="line.679"></a>
<FONT color="green">680</FONT>                    allowSigns = false;<a name="line.680"></a>
<FONT color="green">681</FONT>                    foundDigit = false; // we need a digit after the E<a name="line.681"></a>
<FONT color="green">682</FONT>                } else {<a name="line.682"></a>
<FONT color="green">683</FONT>                    return false;<a name="line.683"></a>
<FONT color="green">684</FONT>                }<a name="line.684"></a>
<FONT color="green">685</FONT>                i++;<a name="line.685"></a>
<FONT color="green">686</FONT>            }<a name="line.686"></a>
<FONT color="green">687</FONT>            if (i &lt; chars.length) {<a name="line.687"></a>
<FONT color="green">688</FONT>                if (chars[i] &gt;= '0' &amp;&amp; chars[i] &lt;= '9') {<a name="line.688"></a>
<FONT color="green">689</FONT>                    // no type qualifier, OK<a name="line.689"></a>
<FONT color="green">690</FONT>                    return true;<a name="line.690"></a>
<FONT color="green">691</FONT>                }<a name="line.691"></a>
<FONT color="green">692</FONT>                if (chars[i] == 'e' || chars[i] == 'E') {<a name="line.692"></a>
<FONT color="green">693</FONT>                    // can't have an E at the last byte<a name="line.693"></a>
<FONT color="green">694</FONT>                    return false;<a name="line.694"></a>
<FONT color="green">695</FONT>                }<a name="line.695"></a>
<FONT color="green">696</FONT>                if (!allowSigns<a name="line.696"></a>
<FONT color="green">697</FONT>                    &amp;&amp; (chars[i] == 'd'<a name="line.697"></a>
<FONT color="green">698</FONT>                        || chars[i] == 'D'<a name="line.698"></a>
<FONT color="green">699</FONT>                        || chars[i] == 'f'<a name="line.699"></a>
<FONT color="green">700</FONT>                        || chars[i] == 'F')) {<a name="line.700"></a>
<FONT color="green">701</FONT>                    return foundDigit;<a name="line.701"></a>
<FONT color="green">702</FONT>                }<a name="line.702"></a>
<FONT color="green">703</FONT>                if (chars[i] == 'l'<a name="line.703"></a>
<FONT color="green">704</FONT>                    || chars[i] == 'L') {<a name="line.704"></a>
<FONT color="green">705</FONT>                    // not allowing L with an exponent<a name="line.705"></a>
<FONT color="green">706</FONT>                    return foundDigit &amp;&amp; !hasExp;<a name="line.706"></a>
<FONT color="green">707</FONT>                }<a name="line.707"></a>
<FONT color="green">708</FONT>                // last character is illegal<a name="line.708"></a>
<FONT color="green">709</FONT>                return false;<a name="line.709"></a>
<FONT color="green">710</FONT>            }<a name="line.710"></a>
<FONT color="green">711</FONT>            // allowSigns is true iff the val ends in 'E'<a name="line.711"></a>
<FONT color="green">712</FONT>            // found digit it to make sure weird stuff like '.' and '1E-' doesn't pass<a name="line.712"></a>
<FONT color="green">713</FONT>            return !allowSigns &amp;&amp; foundDigit;<a name="line.713"></a>
<FONT color="green">714</FONT>        }<a name="line.714"></a>
<FONT color="green">715</FONT>    }<a name="line.715"></a>




























































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